Adjustable lamp



FIG. 1 is a front, left side perspective view of an adjustable lamp showing my new design;

FIG. 2 is a rear, right side perspective view of a second embodiment of the adjustable lamp of my design;

FIG. 3 is a left side elevational view thereof on an enlarged scale;

FIG. 4 is a front elevational view thereof on an enlarged scale;

FIG. 5 is a rear elevational view thereof on an enlarged scale;

FIG. 6 is a top plan view thereof on an enlarged scale; and,

FIG. 7 is a bottom plan view thereof on an enlarged scale.

The first embodiment differs from the second embodiment only by its elongated, vertical standard. 

The ornamental design for an adjustable lamp, as shown and described. 